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Right-sided aortic arch.
J Białowas1, J Hreczecha, M Grzybiak
1Department of Anatomy and Neurobiology, Medical University of Gdańsk, Poland.
Folia Morphologica
|September 7, 2000
Summary
Congenital aortic arch abnormalities result from developmental defects. Though rare in adults, these variations can cause significant symptoms like dysphagia and reduced cerebral blood flow.
Area of Science:
- Anatomy
- Embryology
- Cardiovascular Science
Background:
- Congenital abnormalities of the aortic arch stem from developmental errors in the embryonic branchial arches and dorsal aortas.
- Variations include left-sided arches with aberrant vessels or retro-esophageal courses, and right-sided arches, often associated with congenital heart disease.
Observation:
- A study examined 1700 adult cadavers over several decades.
- Rare cases of specific aortic arch anomalies (Types B, C, and E) were identified.
Findings:
- The incidence of these specific aortic arch abnormalities in the examined adult population was approximately 0.01%.
- Observed variations included left-sided aortic arch with aberrant right subclavian artery (Type B), left-sided aortic arch with retro-esophageal course (Type C), and right-sided aortic arch with aberrant left subclavian artery (Type E).
Implications:
- Despite their rarity, aortic arch anomalies can lead to significant clinical manifestations.
- Symptoms may include esophageal compression, dysphagia, and compromised cerebral blood supply, highlighting the clinical relevance of these anatomical variations.
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